[BUGFIX] Return TRUE to file type allowed if no allowed types defined
Merge pull request #13 from NamelessCoder/filetypes

[BUGFIX] Return TRUE to file type allowed if no allowed types defined
[bugfix] remove empty values

This is necessary for the string '' (no config set) to become an empty
array and count() will return 0 instead of 1
[TASK] Correct processDataMap registration